Fix #1295

1 files changed, 3 insertions, 3 deletions

diff --git a/runtime/src/main/java/me/shedaniel/rei/impl/client/registry/screen/ScreenRegistryImpl.java b/runtime/src/main/java/me/shedaniel/rei/impl/client/registry/screen/ScreenRegistryImpl.java
index 4f3761757..a543e8151 100644
--- a/runtime/src/main/java/me/shedaniel/rei/impl/client/registry/screen/ScreenRegistryImpl.java
+++ b/runtime/src/main/java/me/shedaniel/rei/impl/client/registry/screen/ScreenRegistryImpl.java
@@ -64,9 +64,9 @@ import java.util.concurrent.CopyOnWriteArrayList;
 @Environment(EnvType.CLIENT)
 public class ScreenRegistryImpl implements ScreenRegistry {
     private Multimap<Class<? extends Screen>, ClickArea<?>> clickAreas = HashMultimap.create();
-    private List<DraggableComponentProvider<Screen, Object>> draggableProviders = new ArrayList<>();
-    private List<DraggableComponentVisitor<Screen>> draggableVisitors = new ArrayList<>();
-    private List<FocusedStackProvider> focusedStackProviders = new ArrayList<>();
+    private List<DraggableComponentProvider<Screen, Object>> draggableProviders = new CopyOnWriteArrayList<>();
+    private List<DraggableComponentVisitor<Screen>> draggableVisitors = new CopyOnWriteArrayList<>();
+    private List<FocusedStackProvider> focusedStackProviders = new CopyOnWriteArrayList<>();
     private List<OverlayDecider> deciders = new CopyOnWriteArrayList<>();
     private Map<Class<?>, List<OverlayDecider>> cache = new HashMap<>();
     private ExclusionZones exclusionZones = new ExclusionZonesImpl();